Amir ha scritto:
> Hi,
>
> I'd like to find the limit of
> Limit[(Abs[Sin[x]-Sin[2 x]]) / x, x->0]
>
> I use Mathematica v.5. I get the wrong (??) answer : 1
>
> While I try to display the graph of this function by using "Plot", it
> seems that there is no limit at the point x=0.
> Please help...
>
> Amir
Try with:
Limit[(Abs[Sin[x]-Sin[2 x]]) / x, x->0,Direction->1]
and you will get the answer as x approaches to x0 from smaller values
(odd limit). Read mathematica help for more informations on Limit[] and
Direction option.
Regards.
Matteo Delfino